functions to send btrfs diffs back to the parent (incomplete)

these hard-code paths on my local machine

the names of the generated files are also not useful

1 files changed, 42 insertions, 0 deletions

diff --git a/btrfs-send-root.sh b/btrfs-send-root.sh
new file mode 100644
index 0000000..6152db8
--- /dev/null
+++ b/btrfs-send-root.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+. ./var.sh
+. ./btrfs-functions.sh
+
+rootfs_uuid ()
+{
+    btrfs filesystem show / | sed -ne 's/.*uuid: //p'
+}
+
+remote_btrfs_receiver()
+{
+#   ssh "$BTRFS_RECEIVE_DESTINATION_HOST" -- "sudo btrfs receive $(shellescape "$BTRFS_RECEIVE_DESTINATION_PATH")"
+    ssh "$BTRFS_RECEIVE_DESTINATION_HOST" -- "sudo sh sami/btrfs-receive-root.sh"
+}
+
+dummy_receiver()
+{
+    true
+}
+
+push_remote()
+{
+    $(ARGS_NE mnt src ssh_dst)
+
+    now=$(date +%F.%H%M%S) || die
+    snap_dir=$mnt/snapshot.$now
+    prev_dir=$mnt/SEED
+
+    case "$ssh_dst" in
+        *:*) ;;
+        *) return 1;;
+    esac
+    local BTRFS_RECEIVE_DESTINATION_PATH="${ssh_dst#*:}"
+    local BTRFS_RECEIVE_DESTINATION_HOST="${ssh_dst%%:*}"
+    push_helper false "$snap_dir" "$prev_dir" "$src" remote_btrfs_receiver
+}
+
+ssh_dst=d@fifty.local:sami/test_dest
+
+mkdir -p /mnt/rootfs || die
+mountpoint -q /mnt/rootfs || mount -o subvol=/ UUID=$(rootfs_uuid) /mnt/rootfs || die
+push_remote /mnt/rootfs / "$ssh_dst"